/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.polarrose.amazon.spring.sqs.impl;

/**
 * This SqsQueueListener implementation works with a simple static configuration. It will poll
 * for new messages at a fixed interval and will never retrieve more messages than available
 * workers.
 */

public class SimpleQueueListener extends AbstractQueueListener
{
    int calculatePollInterval()
    {
        return getPollInterval();
    }

    int calculateFetchSize()
    {
        return getThreadPoolSize() - getMessageQueue().size();
    }
}